evr1001 class work
Question Description
- How and why have human population size and growth rate changed over time? What key technologies enabled societies to support more people?
- Where do most of the Earth’s population live today, and where is expected future population growth most likely to occur?
- What are population growth trends in economically developed countries as opposed to less economically developed countries?
- How to pronatalist pressures contribute to larger family sizes in less developed countries?
- Why might populations continue to grow even if younger parents have children at or below the replacement rate?
- Examine Infographic 4.1.4. What are the characteristics of the population growth in each of the three age-structure diagrams shown? Which country would have a growing population? Which country will have a shrinking population?
- Why is a shrinking population considered undesirable? Many countries are offering incentives for parents to have larger families.
- Explain the Demographic Transition model. Based on this model, what do demographers predict for population trends in countries now undergoing economic development? What pronatalist factors might act to continue the trend of larger families, even with economic development?
- How has education for women helped to reduce family size? Has smaller family sizes largely been a consequence of voluntary decisions or state-mandated decisions?
- The expected population of Earth by 2100 is expected to be almost double today’s population. What will be needed to provide a quality of life for this size population?
- 1. What types of solid waste do we produce and why do we say waste is a “human invention”?
2. Why do we say that there is no “waste” in nature? 3. When we say that Earth is a closed system to matter, what are the consequences of burying matter in landfills where it cannot be broken down by natural processes and reused? 4. How does discarded plastic end up in marine ecosystems? Why are microplastics the greatest concern? 5. How might toxic substances in bits of plastic ingested by marine life end up in the food we eat? What could be the health consequences to both humans and other organisms as a result? 6. What human activities generate the most waste? Why is the per capita rate of trash production higher in wealthy countries? 7. What are some of the environmental problems caused by waste in both lower-income and wealthy countries? 8. Discuss how household and electronic waste are hazardous. What are the consequences of improper disposal of these items? 9. People are often told to flush their medications down the toilet. What could be the environmental consequences of this action? 10. Look around your house and discuss three ways you could reduce the amount of plastic and food waste you produce.
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